Quest Diagnostics Inc vs T-Mobile Us Inc — how do they compare? Quest Diagnostics Inc trades at $202.51 (market cap $22.80B), while T-Mobile Us Inc trades at $187.44 (market cap $202.51B). The key difference: T-Mobile Us Inc is far larger — about 8.9× Quest Diagnostics Inc's market cap, and T-Mobile Us Inc pays the higher dividend (2.18%). Which is the better fit depends on your goals.
| DGX | TMUS | |
|---|---|---|
Market Cap | $22.80B | $202.51B |
Sector | Health | Media |
52-Week High | $216.02 | $259.01 |
52-Week Low | $166.42 | $167.65 |
Enterprise Value | $28.82B | $320.21B |
Dividend Yield | 1.67% | 2.18% |
Signals from Pluang's Aura AI — not financial advice
Quest Diagnostics (DGX) trades at $207.35, showing minimal daily movement with a slight decline of 0.04%. The stock maintains a bullish technical stance with recent earnings beats and analyst consensus pointing to upside potential. Recent developments include New York State approval for Haystack MRD testing and strong momentum across diagnostic channels. Revenue growth accelerated to $11.04 billion in 2025 with consistent profitability margins around 9%.
DGX presents a balanced investment case with 38% analyst buy ratings and a $227.75 price target suggesting 10% upside. The company demonstrates steady revenue growth and operational efficiency, though elevated debt levels and policy risks require monitoring. Second quarter earnings on July 23, 2026, will be crucial for validating current momentum and growth trajectory.
T-Mobile US (TMUS) trades at $188.42, up 0.43% today, with a bullish technical signal and strong analyst support. The stock shows robust fundamentals with 2025 revenue of $88.31B and net income of $10.99B, though profit margins dipped slightly. Recent leadership changes and competitive threats from Starlink are in focus, while cash flow remains positive. The consensus price target is $243.09, implying significant upside.
Outlook remains positive given earnings beats and growth prospects, but risks include rising debt levels and satellite competition. Institutional sentiment is strongly bullish with 83% buy ratings, supporting a favorable risk-reward profile for long-term investors despite near-term volatility.
Trailing returns across standard periods
Latest headlines on both assets
Quest Diagnostics is a leading independent provider of diagnostic testing, information, and services in the U.S. The company generates over 95% of its revenue through clinical testing, anatomic pathology, esoteric testing, and substance abuse testing with specimens collected at its national network of roughly 2,300 patient service centers, as well as multiple doctors offices and hospitals. The firm also runs a much smaller diagnostic solutions segment that provides clinical trials testing, risk assessment services, and information technology solutions.
Read more on DGX →Deutsche Telekom merged its T-Mobile USA unit with prepaid specialist MetroPCS in 2013, creating T-Mobile Us. Following the merger, the firm provided nationwide service in major markets but spottier coverage elsewhere. T-Mobile spent aggressively on low-frequency spectrum, well suited to broad coverage, and has substantially expanded its geographic footprint. This expansion, coupled with aggressive marketing and innovative offerings, produced rapid customer growth. With the Sprint acquisition, the firm's scale now roughly matches its larger rivals: T-Mobile now serves 71 million postpaid and 21 million prepaid phone customers, equal to around 30% of the U.S. retail wireless market. In addition, the firm provides wholesale service to resellers.
Read more on TMUS →